Home / 23,156.53-31,957.26-13,085.40

Finding the Fourth Proportional to 23,156.53, 31,957.26 and 13,085.40

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Solution

The fourth proportional to 23,156.53, 31,957.26 and 13,085.40 is: 18,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.53 : 31,957.26 = 13,085.40 : x
  2. Step 2: Convert to fraction form
    23,156.53/31,957.26 = 13,085.40/x
  3. Step 3: Cross multiply
    23,156.53x = 31,957.26 × 13,085.40
  4. Step 4: Simplify right side
    23,156.53x = 418,173,304.79
  5. Step 5: Solve for x
    x = 418,173,304.79/23,156.53
  6. Step 6: Final answer
    x = 18,058.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.